CVE-2015-5453

Watchguard XCS <10.0 - Command Injection

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2015-5453. PoCs published by Metasploit, including Metasploit module exploits/freebsd/http/watchguard_cmd_exec.

AI-analyzed exploit summary This Metasploit module exploits an unauthenticated SQL injection to add a backdoor user and a command injection vulnerability in Watchguard XCS to achieve remote command execution as the 'nobody' user.

Description

Watchguard XCS 9.2 and 10.0 before build 150522 allow remote authenticated users to execute arbitrary commands via shell metacharacters in the id parameter to ADMIN/mailqueue.spl.

Exploits (2)

exploitdb WORKING POC VERIFIED
by Metasploit · rubyremotebsd
https://www.exploit-db.com/exploits/38346

This Metasploit module exploits an unauthenticated SQL injection to add a backdoor user and a command injection vulnerability in Watchguard XCS to achieve remote command execution as the 'nobody' user.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Watchguard XCS 9.2/10.0
No auth needed
Prerequisites: Network access to the target appliance · SQL injection vulnerability in the target · Command injection vulnerability in the web interface
devstral-2 · analyzed Feb 16, 2026 Full analysis →
metasploit WORKING POC EXCELLENT
rubypocbsd
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/freebsd/http/watchguard_cmd_exec.rb

This Metasploit module exploits an unauthenticated SQL injection (CVE-2015-5453) to add a backdoor user and then leverages a command injection vulnerability in the Watchguard XCS web interface to achieve remote command execution as the 'nobody' user.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Watchguard XCS 9.2/10.0
No auth needed
Prerequisites: Network access to the target appliance · SQL injection vulnerability in the target · Command injection vulnerability in the web interface
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Scores

EPSS 0.5731
EPSS Percentile 98.9%

Details

CWE
CWE-77
Status published
Products (2)
watchguard/xcs 9.2
watchguard/xcs 10.0
Published Jul 08, 2015
Tracked Since Feb 18, 2026